youngord@gmail.com wrote:
> <?php
> $mix=array(
> array("A",10),
> array("B",5),
> array("C",100)
> );
> function com($x,$y){
> echo $x[0];
> }
>
> usort($mix,'com');
>
> ?>
>
> i think the $x[0] result is A,
> but the final $x[0] result is BC.
> why???
>

Your com() function doesn't return a value, as required by usort(). So
results are completely unpredictable.

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Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
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